Individual Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Individual Members listed in the IAU Directory have a valid, public email, and are affiliated to at least one Division. They are labeled as "Active Members". For corrections and updates, please contact Any members remaining Inactive for more than 10 years will be removed from the IAU lists.

Additionally, while only Active Members are listed in the IAU Directory, you may still search for Active, Inactive or Deceased Members in the search field to your right.

Total number of IAU members:12562. Number of Individual Members in the IAU Directory: 10017

These statistics refer to Active members. Please note also that these numbers to not include IAU members for which we do not have a date of birth.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Name Location NCA adherence
OOHARA , Ken-ichi Japan Japan
Oosterloo, Thomas Anne Netherlands Netherlands
Oozeer, Nadeem optional South Africa South Africa
Opara, Fidelix Ekeoma Nigeria Nigeria
Oprescu, Gabriela Romania Romania
Oproiu, Tiberiu Romania Romania
Orchiston, Wayne Thailand Thailand
Orellana, Mariana Argentina Argentina
Orellana, Rosa B. Argentina Argentina
Orford, Keith United Kingdom United Kingdom
Orienti, Monica Italy Italy
Origlia, Livia Italy Italy
Orio, Marina Italy Italy
Orlandini, Mauro Italy Italy
Orlando, Salvatore Italy Italy
Orlitová, Ivana Czech Republic Czech Republic
Orosei, Roberto Italy Italy
Orsatti, Ana María Argentina Argentina
Orsi Moyano, Alvaro Antonino Spain Spain
Ortiz, Jose L. Spain Spain
Ortiz, Roberto Brazil Brazil
Ortiz Carbonell, Ada Norway Norway
Ortiz Gil, Amelia Spain Spain
Ortolani, Sergio Italy Italy
Orton, Glenn S. United States United States
OSAKI, Yoji Japan Japan
Osborn, Wayne United States United States
Osborne, John L. United Kingdom United Kingdom
Osborne, Julian P. United Kingdom United Kingdom
Oscoz, Alejandro Spain Spain
Oskinova, Lidia M. Germany Germany
Osmer, Patrick S. United States United States
Osório, Isabel Maria T.V.P. Portugal Portugal
Osório, José Pereira Portugal Portugal
Osorio, Mayra Spain Spain
Ossendrijver, Mathieu Germany Germany
Osten, Rachel A. United States United States
Østensen, Roy H. Belgium Belgium
Östlin, Göran T. Sweden Sweden
Ostorero, Luisa Italy Italy
Ostriker, Eve C. United States United States
Ostriker, Jeremiah P. United States United States
Ostrowski, Michał Poland Poland
O'Sullivan, Créidhe Ireland Ireland
O'Sullivan, Denis F. Ireland Ireland
O'Sullivan, Shane P Australia Australia
Oswalt, Terry D. United States United States
OTA, Naomi Japan Japan
Otmianowska-Mazur, Katarzyna Poland Poland
O'Toole, Simon J. Australia Australia
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Showing 101 to 150 of 170

Gender Distribution in the IAU

30-35 55 109 33.5 66.5
35-40 197 460 30.0 70.0
40-45 237 729 24.5 75.5
45-50 240 895 21.1 78.9
50-55 246 1037 19.2 80.8
55-60 201 951 17.4 82.6
60-65 167 891 15.8 84.2
65-70 135 875 13.4 86.6
70-75 116 865 11.8 88.2
75-80 79 629 11.2 88.8
80-85 31 256 10.8 89.2
85-90 11 133 7.6 92.4
90-95 5 41 10.9 89.1
95-100 4 7 36.4 63.6

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